oca-ocb-sale/odoo-bringout-oca-ocb-website_event_sale/website_event_sale/data/event_data.xml

<?xml version="1.0" encoding="utf-8"?>
<odoo>
    <data noupdate="1">
        <!-- Update the event type if exists -->
        <function model="event.type" name="write">
            <value eval="[ref('event.event_type_data_ticket', False)]"/>
            <value eval="{'name': 'Sell Online', 'website_menu': True}"/>
        </function>
    </data>
</odoo>